[INFO] updating cached repository https://github.com/rustox/grpc-calculator-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b8851591c4dfca9b0f76866fc9251ad0ba914b3a
[INFO] testing rustox/grpc-calculator-example against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frustox%2Fgrpc-calculator-example" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rustox/grpc-calculator-example on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rustox/grpc-calculator-example
[INFO] finished tweaking git repo https://github.com/rustox/grpc-calculator-example
[INFO] tweaked toml for git repo https://github.com/rustox/grpc-calculator-example written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/rustox/grpc-calculator-example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2cd6390bd6fde7b31b54ef370ea5c691fe8ae7e62f1588b2260b5b214e7bd9f7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2cd6390bd6fde7b31b54ef370ea5c691fe8ae7e62f1588b2260b5b214e7bd9f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2cd6390bd6fde7b31b54ef370ea5c691fe8ae7e62f1588b2260b5b214e7bd9f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cd6390bd6fde7b31b54ef370ea5c691fe8ae7e62f1588b2260b5b214e7bd9f7", kill_on_drop: false }`
[INFO] [stdout] 2cd6390bd6fde7b31b54ef370ea5c691fe8ae7e62f1588b2260b5b214e7bd9f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6835a3a3cb6ae3db619ec7082707b9dc35ee317c8578cf99c2b1abe3e01e67da
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6835a3a3cb6ae3db619ec7082707b9dc35ee317c8578cf99c2b1abe3e01e67da", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.36
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]    Compiling byteorder v1.2.1
[INFO] [stderr]    Compiling cc v1.0.4
[INFO] [stderr]    Compiling futures v0.1.18
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling lazycell v0.6.0
[INFO] [stderr]    Compiling slab v0.4.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.6
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling scoped-tls v0.1.1
[INFO] [stderr]    Compiling same-file v1.0.2
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling safemem v0.2.0
[INFO] [stderr]    Compiling log v0.4.1
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]    Compiling walkdir v2.1.3
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling tls-api v0.1.14
[INFO] [stderr]    Compiling protoc v1.4.3
[INFO] [stderr]    Compiling base64 v0.9.0
[INFO] [stderr]    Compiling tls-api-stub v0.1.14
[INFO] [stderr]    Compiling crossbeam-epoch v0.4.0
[INFO] [stderr]    Compiling cmake v0.1.29
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling net2 v0.2.31
[INFO] [stderr]    Compiling bytes v0.4.6
[INFO] [stderr]    Compiling crossbeam-deque v0.3.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling failure_derive v0.1.1
[INFO] [stderr]    Compiling grpcio-sys v0.2.1
[INFO] [stderr]    Compiling mio v0.6.14
[INFO] [stderr]    Compiling protobuf v1.4.3
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling tokio-executor v0.1.0
[INFO] [stderr]    Compiling tokio-io v0.1.6
[INFO] [stderr]    Compiling tokio-timer v0.1.2
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling tokio-threadpool v0.1.0
[INFO] [stderr]    Compiling uuid v0.1.18
[INFO] [stderr]    Compiling tokio-reactor v0.1.0
[INFO] [stderr]    Compiling mktemp v0.3.1
[INFO] [stderr]    Compiling tokio v0.1.3
[INFO] [stderr]    Compiling tokio-core v0.1.15
[INFO] [stderr]    Compiling tokio-tls-api v0.1.14
[INFO] [stderr]    Compiling httpbis v0.4.1
[INFO] [stderr]    Compiling grpcio-compiler v0.2.0
[INFO] [stderr]    Compiling grpc v0.2.1
[INFO] [stderr]    Compiling backtrace v0.3.5
[INFO] [stderr]    Compiling failure v0.1.1
[INFO] [stderr]    Compiling protoc-grpcio v0.1.0
[INFO] [stderr]    Compiling grpc-calculator-example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `grpc-calculator-example v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/grpc-calculator-example-d77b9988cde01f6d/build-script-build` (exit code: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-changed=src/proto
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'Failed to compile gRPC definitions!: Os { code: 30, kind: Other, message: "Read-only file system" }
[INFO] [stderr] 
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55e60f1afa13 - backtrace::backtrace::libunwind::trace::h5fbf8f059bacd70f
[INFO] [stderr]                           at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.5/src/backtrace/libunwind.rs:53
[INFO] [stderr]                            - backtrace::backtrace::trace::h017e5c524b241675
[INFO] [stderr]                           at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.5/src/backtrace/mod.rs:42
[INFO] [stderr]      1:     0x55e60f1ac903 - backtrace::capture::Backtrace::new_unresolved::h264f3e2d6335c660
[INFO] [stderr]                           at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.5/src/capture.rs:88
[INFO] [stderr]      2:     0x55e60f1ab0d5 - failure::backtrace::internal::InternalBacktrace::new::h67683c2a6e1a2b11
[INFO] [stderr]                           at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.1/src/backtrace/internal.rs:44
[INFO] [stderr]      3:     0x55e60f1a9c7c - failure::backtrace::Backtrace::new::h585c8b0516a06cc3
[INFO] [stderr]                           at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.1/src/backtrace/mod.rs:98
[INFO] [stderr]      4:     0x55e60f179177 - <failure::error::Error as core::convert::From<F>>::from::h7f81fe6099fa9dba
[INFO] [stderr]                           at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.1/src/error.rs:34
[INFO] [stderr]      5:     0x55e60f1758de - <T as core::convert::Into<U>>::into::h34db1afa11d82c60
[INFO] [stderr]                           at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libcore/convert/mod.rs:563
[INFO] [stderr]      6:     0x55e60f178a9d - failure::context::Context<D>::with_err::h8e8db0d2ef29fac3
[INFO] [stderr]                           at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.1/src/context.rs:78
[INFO] [stderr]      7:     0x55e60f175d15 - failure::Fail::context::h27888118206fa045
[INFO] [stderr]                           at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.1/src/lib.rs:127
[INFO] [stderr]      8:     0x55e60f17acf5 - <core::result::Result<T,E> as failure::result_ext::ResultExt<T,E>>::context::{{closure}}::h7a44792870ae44a8
[INFO] [stderr]                           at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.1/src/result_ext.rs:32
[INFO] [stderr]      9:     0x55e60f177c11 - core::result::Result<T,E>::map_err::ha70ba44243a3a246
[INFO] [stderr]                           at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libcore/result.rs:612
[INFO] [stderr]     10:     0x55e60f1781ed - <core::result::Result<T,E> as failure::result_ext::ResultExt<T,E>>::context::h6224cba4e6113479
[INFO] [stderr]                           at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.1/src/result_ext.rs:32
[INFO] [stderr]     11:     0x55e60f1724f3 - protoc_grpcio::write_out_generated_files::h6fe8441e9a20fa7f
[INFO] [stderr]                           at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/protoc-grpcio-0.1.0/src/lib.rs:89
[INFO] [stderr]     12:     0x55e60f1716f6 - protoc_grpcio::compile_grpc_protos::hb1612916fbd99c49
[INFO] [stderr]                           at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/protoc-grpcio-0.1.0/src/lib.rs:172
[INFO] [stderr]     13:     0x55e60f17a661 - build_script_build::main::hbde7d91663cb38fa
[INFO] [stderr]                           at /opt/rustwide/workdir/build.rs:60
[INFO] [stderr]     14:     0x55e60f17524a - std::rt::lang_start::{{closure}}::h782247d54f7a52e0
[INFO] [stderr]                           at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/rt.rs:67
[INFO] [stderr]     15:     0x55e60f411912 - std::rt::lang_start_internal::{{closure}}::h155f3093add35bce
[INFO] [stderr]                           at src/libstd/rt.rs:52
[INFO] [stderr]                            - std::panicking::try::do_call::h45f1f66ee6b987d6
[INFO] [stderr]                           at src/libstd/panicking.rs:348
[INFO] [stderr]                            - std::panicking::try::h0924dfb942cef7e3
[INFO] [stderr]                           at src/libstd/panicking.rs:325
[INFO] [stderr]                            - std::panic::catch_unwind::h883180846c5b53fa
[INFO] [stderr]                           at src/libstd/panic.rs:394
[INFO] [stderr]                            - std::rt::lang_start_internal::he9284d43a52786c5
[INFO] [stderr]                           at src/libstd/rt.rs:51
[INFO] [stderr]     16:     0x55e60f175226 - std::rt::lang_start::h36860fa1ecf01328
[INFO] [stderr]                           at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/rt.rs:67
[INFO] [stderr]     17:     0x55e60f17a6d9 - main
[INFO] [stderr]     18:     0x7fc09b9e10b2 - __libc_start_main
[INFO] [stderr]     19:     0x55e60f1701ad - _start
[INFO] [stderr]     20:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr]   failed to create "src/proto/calculator_grpc.rs"
[INFO] [stderr] 
[INFO] [stderr]   failed to write generated grpc definitions', build.rs:64:7
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55e60f40e5a5 - backtrace::backtrace::libunwind::trace::hea89dfbbfe67f40d
[INFO] [stderr]                                  at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stderr]      1:     0x55e60f40e5a5 - backtrace::backtrace::trace_unsynchronized::h0513dd713d7644d4
[INFO] [stderr]                                  at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stderr]      2:     0x55e60f40e5a5 - std::sys_common::backtrace::_print_fmt::h040abae64e4a24a9
[INFO] [stderr]                                  at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]      3:     0x55e60f40e5a5 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hb4bdb37c3c335733
[INFO] [stderr]                                  at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]      4:     0x55e60f43771c - core::fmt::write::h540ac4a6a1232abc
[INFO] [stderr]                                  at src/libcore/fmt/mod.rs:1076
[INFO] [stderr]      5:     0x55e60f40b512 - std::io::Write::write_fmt::h5ffa1b5a7703af47
[INFO] [stderr]                                  at src/libstd/io/mod.rs:1539
[INFO] [stderr]      6:     0x55e60f410f00 - std::sys_common::backtrace::_print::hb55cc635eaf1882e
[INFO] [stderr]                                  at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]      7:     0x55e60f410f00 - std::sys_common::backtrace::print::h2b2218fa55714084
[INFO] [stderr]                                  at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]      8:     0x55e60f410f00 - std::panicking::default_hook::{{closure}}::h578517c025765cf3
[INFO] [stderr]                                  at src/libstd/panicking.rs:198
[INFO] [stderr]      9:     0x55e60f410c4c - std::panicking::default_hook::h4cafc94c2fc640fb
[INFO] [stderr]                                  at src/libstd/panicking.rs:217
[INFO] [stderr]     10:     0x55e60f411543 - std::panicking::rust_panic_with_hook::h3eeb5001beeca5c3
[INFO] [stderr]                                  at src/libstd/panicking.rs:526
[INFO] [stderr]     11:     0x55e60f41113b - rust_begin_unwind
[INFO] [stderr]                                  at src/libstd/panicking.rs:437
[INFO] [stderr]     12:     0x55e60f435681 - core::panicking::panic_fmt::h78830ea6a34e7206
[INFO] [stderr]                                  at src/libcore/panicking.rs:85
[INFO] [stderr]     13:     0x55e60f4354a3 - core::option::expect_none_failed::hf79bbb5ca7e09e08
[INFO] [stderr]                                  at src/libcore/option.rs:1269
[INFO] [stderr]     14:     0x55e60f177496 - core::result::Result<T,E>::expect::hb4ae28cd487a7221
[INFO] [stderr]                                  at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libcore/result.rs:963
[INFO] [stderr]     15:     0x55e60f17a69c - build_script_build::main::hbde7d91663cb38fa
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:60
[INFO] [stderr]     16:     0x55e60f17524b - std::rt::lang_start::{{closure}}::h782247d54f7a52e0
[INFO] [stderr]                                  at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/rt.rs:67
[INFO] [stderr]     17:     0x55e60f411913 - std::rt::lang_start_internal::{{closure}}::h155f3093add35bce
[INFO] [stderr]                                  at src/libstd/rt.rs:52
[INFO] [stderr]     18:     0x55e60f411913 - std::panicking::try::do_call::h45f1f66ee6b987d6
[INFO] [stderr]                                  at src/libstd/panicking.rs:348
[INFO] [stderr]     19:     0x55e60f411913 - std::panicking::try::h0924dfb942cef7e3
[INFO] [stderr]                                  at src/libstd/panicking.rs:325
[INFO] [stderr]     20:     0x55e60f411913 - std::panic::catch_unwind::h883180846c5b53fa
[INFO] [stderr]                                  at src/libstd/panic.rs:394
[INFO] [stderr]     21:     0x55e60f411913 - std::rt::lang_start_internal::he9284d43a52786c5
[INFO] [stderr]                                  at src/libstd/rt.rs:51
[INFO] [stderr]     22:     0x55e60f175227 - std::rt::lang_start::h36860fa1ecf01328
[INFO] [stderr]                                  at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/rt.rs:67
[INFO] [stderr]     23:     0x55e60f17a6da - main
[INFO] [stderr]     24:     0x7fc09b9e10b3 - __libc_start_main
[INFO] [stderr]     25:     0x55e60f1701ae - _start
[INFO] [stderr]     26:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "6835a3a3cb6ae3db619ec7082707b9dc35ee317c8578cf99c2b1abe3e01e67da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6835a3a3cb6ae3db619ec7082707b9dc35ee317c8578cf99c2b1abe3e01e67da", kill_on_drop: false }`
[INFO] [stdout] 6835a3a3cb6ae3db619ec7082707b9dc35ee317c8578cf99c2b1abe3e01e67da